Thirdly, he must have lost himself in a waylessness and in a darkness in which all contemplatives wander around in enjoyment and can no longer find themselves in a creaturely way. In the abyss of this darkness in which the loving spirit has died to itself, there begin the revelation of God and eternal life. For in this darkness there shines and is born an incomprehensible light which is the Son of God, in whom one contemplates eternal life. And in this light one becomes seeing.

The Spiritual Espousals (c. 1340)